254 LOBELIACE^. (LOBELIA FAMILY.) 



* Floicers scarlet. 



1. L. cardinalis, L. (Cardinal-flower) Smooth or slightly pubcs- 

 ctiit ; stem stDut, simple; leaves lanceolate, denticulate; bracts leafy; stamens 

 and stvK' muiii lunger than the corolla. — Muddy banks, Florida to Mississippi, 

 and iiorlinvard. July-Sept. 1|. — Stem 2° -3° high. Raceme many-tlowered. 

 yiowers very showy. 



* * Flowers blue and white. 

 ■*- Sinuses of the cali/x icith dejlcxed appendages. 



2. L. syphilitica, L. Hairy ; leaves thin, lanceolate, acute at each end, 

 coarsely serrate ; racemes leafy, many-flowered ; calyx hairy ; the lanceolate 

 denticulate lobes half as long as the large (1' long) light blue corolla — Swamps 

 along the mountains, Georgia, and northward. Aug. and Sept. y. — Stem 1°- 

 3° high. 



3. L, puberula, Miehx. Softly pubescent or villous, or sometimes nearly 

 smooth ; leaves thiekish, mostly obtuse, lanceolate or oblong, glandular-den- 

 ticulate ; spikes mostly 1 -sided ; calyx top-shaped, the linear lobes nearly as 

 long as the tube of the bright blue corolla. — Swamps and low ground, Florida 

 to Mississippi, and northward. Aug. and Sept. U — Stem 1°- 2° high. Co- 

 rolla half as large as in the preceding. Appendages of the calyx obtuse. 



4. L. leptostachys, A. DC. Closely pubescent; stem slender, simple; 

 leaves obloiig-hinceulatc, obtuse, denticulate ; flowers small, crowded in an elon- 

 gated spike ; appendages of the calyx 10, subulate, as long as the tube. — South 

 Carolina and northward. July and Aug. \ — Stem 1°-1^° high. Corolla 

 3" -4" long. 



5. L. brevifolia, Nutt. Stem thick, virgate, angled, smooth or pubescent; 

 leaves short (4"- 12" long), fleshy, oblong-linear, obtuse, toothed, spreading or 

 rcflexed ;' the lowest wedge-shaped ; calyx hirsute, the ovate-lanceolate lobes 

 strongly toothed, the .5 appendages obtuse ; corolla pale blue. — Damp open pine 

 barrens, Florida, Alabama, and westward. Oct. y.— Stem l°-li° high. 

 Leaves very immcrous. 



H- ■•- Sinuses of the calyx without appendages. 



6. L. amOBna, Michx. Smooth or rough-pubescent ; leaves scattered, 

 oblong, obtuse, denticulate, the lower ones tapering into a long petiole, the 

 uppennost nearly sessile ; racemes 1 -sided, many-flowered ; calyx-lobes linear- 

 subulate, mostly glandular; corolla (I'long) bright blue. — Swamps, Florida to 

 South CJarolina, and westward. Sept. and Oct. y.— Stem 2° -4° high. Low- 

 est leaves 3' - 6' long. Bracts small. 



7. L. glandulosa, Walt. Smooth or pubescent; stem mostly simple, 

 nearly leafless above ; leaves thick, linear or linear-lanceolate, glandular-den- 

 ticulate, sessile, the uppermost scattered and bract-like; racemes 1 -sided, 3-9- 

 flowcred, the flowers distant ; calyx smooth or hirsute, with linear glandular 

 lobes , corolla (8"- 10" long) pale blue. — Pine-barren swamps, Florida, North 

 Carolina, and westward. Oct. y.— Stem 2° - 4° long. Lower leaves 2' - 4' long. 



8. L. inflata, L. Pubescent or hairy; stem leafy, branching from the 

 base; leaves oblong, obtuse, toothed, sessile; racemes leafy below ; corolla small, 



